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MEAN WELL MDR Switched Mode DIN Rail Power Supply 264V AC Input, 56V DC Output, 40W, 830mA, Single Output, MDR-40-48

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MEAN WELL MDR Switched Mode DIN Rail Power Supply 264V AC Input, 56V DC Output, 40W, 830mA, Single Output, MDR-40-48

Name: MEAN WELL MDR Switched Mode DIN Rail Power Supply 264V AC Input, 56V DC Output, 40W, 830mA, Single Output, MDR-40-48
Brand: MEAN WELL
SKU: 85901

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Category DIN Rail Power Supply Brand MEAN WELL Condition New

Specifications

Country of Origin	Taiwan
Brand	MEAN WELL
Power	40W
Height	100mm
Model	MDR-40-48
Depth	90mm
Width	40mm
Series	MDR
Output Current	830mA
Maximum Operating Temperature	70°C
Sub Type	Switched Mode
Minimum Operating Temperature	-20°C
Number of outputs	1
Maximum Input Voltage	264V ac
Electrical Phase	1
Hazardous Area Certification	B, C, Class I Division 2, D, Group A
Maximum Output Voltage	56V dc
Minimum Input Voltage	85V ac

Key Features

Single output DIN rail power supply with slim design.
Supports universal AC input from 85V to 264V AC.
Delivers 40W output with 56V DC and 830mA current.
Includes DC-OK relay contact and LED indicator for power status.
Features protections against short circuit, overload, and over voltage.
Operates within a wide temperature range from -20°C to 70°C.
Cooling by free air convection for silent operation.
Convenient installation on DIN Rail TS-35/7.5 or 15.

Product Description

The MEAN WELL MDR-40-48 model is a single output switched mode DIN Rail Power Supply engineered for industrial control panels, automation systems, and electronic equipment. Built with a compact and ultra-slim profile, it supports installation on standard DIN rails such as TS-35/7.5 or TS-35/15.

This unit accepts universal AC input voltages ranging from 85V to 264V AC, making it adaptable for global applications. It delivers a regulated DC output of 56V at 830mA, amounting to a maximum output power of 40W. Supporting one electrical phase, the MDR-40-48 is ideal for powering sensitive devices, sensors, and controller modules in manufacturing and process environments.

The power supply incorporates robust protections including short circuit, overload, and over-voltage safeguards, ensuring system reliability. A DC-OK relay contact allows remote signaling of power status, complemented by a bright LED indicator for quick visual confirmation of operation. Passive cooling is achieved by free air convection, eliminating the need for noisy fans and reducing maintenance downtime.

Operating reliably across a temperature range from -20°C to 70°C, the MDR-40-48 is suitable for demanding industrial climates. The hazardous area certification covers B, C, Class I Division 2, D, Group A, supporting deployment in environments with strict safety requirements.

Installation is streamlined thanks to its slim profile (100mm height, 90mm depth, 40mm width), minimizing space requirements in control cabinets. The output is stabilized for one circuit, and the supply is optimized for energy efficiency with minimal no-load power consumption.

The MEAN WELL MDR-40-48 serves a broad range of industrial, laboratory, automation, building management, and commercial applications where reliable DC power is critical. Explore more DIN rail power supplies and automation products in the Electronics & Electricals category at EnvMart.